Remove/old welcome banner code #66623

Job	Run time
detect changed files	7s
Changelogger use	16s
Copied files are in sync	7s
Changelogger validity	26s
Project structure	1m 22s
PHP lint (7.2)	25s
PHP lint (7.4)	28s
PHP lint (8.0)	28s
PHP lint (8.1)	35s
PHP lint (8.2)	33s
PHP Code Sniffer (non-excluded files only)	0s
PHP lint (8.3)	27s
PHP Code Sniffer (changes to excluded files only)	0s
PHP lint (8.4)	35s
Check linter exclude lists	0s
ESLint (non-excluded files only)	0s
ESLint (changes to excluded files only)	0s
Lint GitHub Actions yaml files	0s
PHP Compatibility	0s
Lock files are up to date	0s
Monorepo package version refs	0s
	5m 49s

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